Pig 0.10 regression: A couple of glob queries are failing in 0.10 but succeed
in 0.9
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Key: PIG-2345
URL: https://issues.apache.org/jira/browse/PIG-2345
Project: Pig
Issue Type: Bug
Affects Versions: 0.10
Reporter: Olga Natkovich
Fix For: 0.10
The following scripts are failing:
a = load '/glob/star/*good' as (name, age, gpa);
b = filter a by name == 'nick miller';
store b into 'out';
a = load ':INPATH:/glob/star/*' as (name, age, gpa);
b = filter a by name == 'nick miller';
store b into 'out';
Stack:
org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1000: Error during
parsing. Can not create a Path from a null string
at org.apache.pig.PigServer$Graph.parseQuery(PigServer.java:1598)
at org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1541)
at org.apache.pig.PigServer.registerQuery(PigServer.java:541)
at
org.apache.pig.tools.grunt.GruntParser.processPig(GruntParser.java:943)
at
org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:386)
at
org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:188)
at
org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:164)
at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:81)
at org.apache.pig.Main.run(Main.java:561)
at org.apache.pig.Main.main(Main.java:111)
Caused by: Failed to parse: Can not create a Path from a null string
at
org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:180)
at org.apache.pig.PigServer$Graph.parseQuery(PigServer.java:1590)
... 9 more
Caused by: java.lang.IllegalArgumentException: Can not create a Path from a
null string
at org.apache.hadoop.fs.Path.checkPathArg(Path.java:78)
at org.apache.hadoop.fs.Path.<init>(Path.java:90)
at org.apache.hadoop.fs.Path.<init>(Path.java:45)
at
org.apache.pig.backend.hadoop.datastorage.HDataStorage.asElement(HDataStorage.java:147)
at
org.apache.pig.builtin.JsonMetadata.findMetaFile(JsonMetadata.java:127)
at org.apache.pig.builtin.JsonMetadata.getSchema(JsonMetadata.java:183)
at org.apache.pig.builtin.PigStorage.getSchema(PigStorage.java:438)
at
org.apache.pig.newplan.logical.relational.LOLoad.getSchemaFromMetaData(LOLoad.java:150)
at
org.apache.pig.newplan.logical.relational.LOLoad.getSchema(LOLoad.java:109)
at
org.apache.pig.parser.LogicalPlanGenerator.alias_col_ref(LogicalPlanGenerator.java:15123)
at
org.apache.pig.parser.LogicalPlanGenerator.col_ref(LogicalPlanGenerator.java:14970)
at
org.apache.pig.parser.LogicalPlanGenerator.projectable_expr(LogicalPlanGenerator.java:8649)
at
org.apache.pig.parser.LogicalPlanGenerator.var_expr(LogicalPlanGenerator.java:8400)
at
org.apache.pig.parser.LogicalPlanGenerator.expr(LogicalPlanGenerator.java:7752)
at
org.apache.pig.parser.LogicalPlanGenerator.cond(LogicalPlanGenerator.java:6560)
at
org.apache.pig.parser.LogicalPlanGenerator.filter_clause(LogicalPlanGenerator.java:6112)
at
org.apache.pig.parser.LogicalPlanGenerator.op_clause(LogicalPlanGenerator.java:1156)
at
org.apache.pig.parser.LogicalPlanGenerator.general_statement(LogicalPlanGenerator.java:695)
at
org.apache.pig.parser.LogicalPlanGenerator.statement(LogicalPlanGenerator.java:495)
at
org.apache.pig.parser.LogicalPlanGenerator.query(LogicalPlanGenerator.java:381)
at
org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:171)
... 10 more
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